Self-directed vertical axis wind turbine
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United States of America Patent
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Oct 24, 2017
Issued Date -
N/A
app pub date -
Dec 1, 2015
filing date -
Jan 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a vertical axis wind turbine to produce power relative to wind speed resulting in high torque output. During operation, all the blades of the turbine are in a continuous movement of changing their angles from fully open to fully overlap position during each rotation. At the heart of this concept is a frame circumventing the rotor, formed of a pair of top coaxial rings superimposed over bottom coaxial rings defining a central vertical axis distant from the shaft axis, each pair of top and bottom rings are freely movable by being mounted on bushings to the shaft by radially disposed beams and vertically disposed mounting members fixedly connecting the top and bottom rings. The Blade angle relative to incoming wind is controlled by these pair of rings which are controlled by the pair of weathervanes rotating on the central turbine shaft axis.
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